Abstract
In this Letter we report the findings of a statistically significant relation between the continuum color indices and redshift of optically violent variable QSOs. No such correlation is found to exist for non-variable and moderately variable QSOs.
References
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Basu, D. Correlation between colors and redshift of optically violent QSOs. Astrophys Space Sci 72, 241–245 (1980). https://doi.org/10.1007/BF00642184
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DOI: https://doi.org/10.1007/BF00642184